1. Mr. Li drove a large bus with 21 passengers (capacity 35 people). He found the braking system was abnormal on the way but failed to repair it. When running on the Shuangdao Haiwan Bridge at a speed of 50 kilometers per hour (speed limit 40 km/h), the bus fell into the sea due to a braking system failure, killing 13 people and injuring 8. What is the main illegal act committed by Mr. Li?
A. Speeding
B. Fatigued driving
C. Carrying more passengers than permitted
D. Driving a motor vehicle with potential safety hazard
Answer: AD
2. When a motor vehicle moves through water, the driver should try to maintain a constant speed and sufficient power and pass through without stopping.
A. Right
B. Wrong
Answer: A
3. The sign on the right indicates a T-shaped intersection head.

A. Right
B. Wrong
Answer: B
4. The sign on the right side warns of a sharp right turn ahead.

A. Right
B. Wrong
Answer: A
5. When encountering this situation on a mountainous road, motor vehicle drivers should overtake the vehicle in front by speeding up.

A. Right
B. Wrong
Answer: B
6. Drivers may turn left when traffic police give these hand signals.

A. Right
B. Wrong
Answer: B
7. Drivers may turn left when traffic police give these hand signals.

A. Right
B. Wrong
Answer: A
8. The sign on the right indicates that the vehicle should yield to the oncoming traffic as approaching each other.

A. Right
B. Wrong
Answer: B
9. The sign in front indicates that vehicles except public buses are not allowed to drive in this lane.

A. Right
B. Wrong
Answer: A
10. When a motor vehicle catches fire, the driver should swiftly turn off the engine and open the hood to extinguish the fire.
A. Right
B. Wrong
Answer: B
11. When driving in thick fog causing poor visibility on the expressway, the driver should apply emergency braking to stop at once.
A. Right
B. Wrong
Answer: B
12. When encountering this situation in a residential area, the driver should follow them closely.

A. Right
B. Wrong
Answer: B
13. The sign in front indicates a one-kilometer distance from the highway entry.

A. Right
B. Wrong
Answer: A
14. On a mountain road, what should the driver do in this situation?

A. Drive on the left and speed up to bypass
B. Stop to observe and pass slowly
C. Observe closely and pass as soon as possible
D. Sound the horn several times and pass slowly
Answer: C
15. Turning on the high-beam is an effective way to improve visibility in fog weather.
A. Right
B. Wrong
Answer: B
16. The yellow broken line on the curb indicates that vehicles are not allowed to stop and let passengers embark or disembark or load and unload freight at the roadside.

A. Right
B. Wrong
Answer: B
17. In order to keep safe when driving on the highway, which ones of the following statements are prohibited acts?
A. Reversing, moving against regulations, making a U-turn by crossing the central divider, or stopping in the lane.
B. Riding or rolling on the lane-dividing line or driving on the shoulder
C. Overtaking on ramps, accelerations lanes, or deceleration lanes.
D. Testing vehicles or learning to drive a vehicle
Answer: ABCD
18. When a bicycle borrows the motor vehicle lane, the motor vehicle may sound the horn hurriedly to warn the bicycle to yield.
A. Right
B. Wrong
Answer: B
19. The sign on the right warns of right-hand S-shaped bend ahead.

A. Right
B. Wrong
Answer: B
20. As shown in this picture, the intersection guide line is designed to help drivers make turns.

A. Right
B. Wrong
Answer: A